CVE-2020-20221

Mikrotik RouterOs before 6.44.6 (long-term tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/cerm process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

• CWE-400

• https://cwe.mitre.org/data/definitions/400.htmlThird Party Advisory
• https://seclists.org/fulldisclosure/2020/May/30Mailing List, Third Party Advisory
• https://seclists.org/fulldisclosure/2021/May/1Exploit, Mailing List, Third Party Advisory
• https://cwe.mitre.org/data/definitions/400.htmlThird Party Advisory
• https://seclists.org/fulldisclosure/2020/May/30Mailing List, Third Party Advisory
• https://seclists.org/fulldisclosure/2021/May/1Exploit, Mailing List, Third Party Advisory

Published

Jul 21, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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